▶ Using a screwdriver, remove the front chamber, put it aside and put the four screws in a safe place. Using a smaller screwdriver, remove the two tiny screws that hold the front panel of the spout. Put everything in a safe place.
▶ Remove all the coffee grounds using a hoover. You will see at the back of the spout a third tiny screw. Remove it, put it in a safe place and pull out the spout.
▶ Remove the clump crusher. Take a new one and fold it making a square. Put it around the spout, making sure it fits correctly.
▶ Holding the clump crusher around the spout, insert it back in the grinder making sure its well placed. Very carefully, take the screw and screw back the spout. Then put back the front panel and the two screws and put back the front chamber.